Background: Missing data is classified as missing completely at random (MCAR), missing at
random (MAR) or missing not at random (MNAR). Knowing the mechanism is useful in identifying
the most appropriate analysis. The ...

Background: Randomised controlled trials (RCTs) are perceived as the gold-standard method for evaluating healthcare interventions, and increasingly include quality of life (QoL) measures. The observed results are susceptible ...

Objective: QoL data were routinely collected in a randomised controlled trial (RCT), which
employed a reminder system, retrieving about 50% of data originally missing. The objective was to
use this unique feature to ...